Network Design Chapter 2

List and describe four options for multihoming to the SP between the enterprise edge and the SP edge. Which option provides the most redundancy?

1. Single router , dual links to one ISP 2. Single router, dual links o two ISPs 3. Dual routers, dual links to one ISP 4. Dual routers, dual links to two ISPs

How many links are required for a full mesh of six sites?

30

How many full-mesh links do you need for a network with ten routers?

45 links n(n-1)/2

Which are key features of the distribution layer?

Aggregates access layer switches, provides routing boundary between access and distribution layer, provides connectivity to end devices

Which layer performs Active Directory and messaging?

Application layer

Which of the following describe the distribution layer?

Applies network policies, performs network aggregation

Which of the following describe the core layer?

Avoids data manipulation, high-speed data transport

Which campus submodule connects to the enterprise edge module?

Campus core

Which module or layer connects the server layer to the enterprise edge?

Campus core layer

Which solution supports the enterprise teleworker?

Cisco Virtual Office

In which ways does application network services help resolve application issues?

Compress, cache, and optimize content, optimizes web streams, which can reduce latency and offload the web server

Which of the following describe the access layer?

Concentrates user access, provides PoE

What are the four benefits of hierarchical nework design?

Cost savings, ease of understanding, easy network growth (scalability), improved fault isolation.

You add Communications Manager to the network as part of a VoIP solution. In which submodule of the Enterprise Architecture model should you place Communications Manager?

Data

Which is the recommended design geometry for routed networks?

Design in triangular networks

Which layer performs routing between VLANs, filtering, and load balancing?

Distribution layer

Which layer provides routing between VLANs and security filtering?

Distribution layer

List the four modules of the enterprise edge area

E-commerce, internet, VPN, WAN

Which remote module connects to the enterprise via the Internet or WAN submodules and contains a small LAN switch for users?

Enterprise branch

List the six modules of the Cisco Enterprise Architecture model for network design.

Enterprise campus, edge, WAN, branch, data center, teleworker

True or false: In the CIsco Enterprise Architecture model, the network management submodule does not manage the SP edge

False

True or false: Small to medium campus networks must always implement three layers of hierarchical design

False

True or false: The core layer of the hierarchical model does security filtering and media translation

False

True or false: You can implement a full-mesh network to increase redundancy and reduce WAN's costs.

False

What are two ways that wireless access points are used?

Function as a hub for wireless end devices, connect to the enterprise network

The Cisco Enterprise Architecture takes which approach to network design?

Functional modular approach

You need to design for a packet load-sharing betweeen a group of redundant routers. Which protocol allows you to do this?

GLBP

In an IP telephony network, in which submodule or layer are the IP phones and CUCM servers located?

IP phones reside in the building access layer of the cam

Which enterprise edge submodule connects to an ISP?

Internet Submodule

List the three submodules of the SP edge

Internet, WAN, PSTN

Which is a benefit of using network modules for network design?

Network becomes more scalable

Which topology is best used for connectivity in the building distribution layer?

Partial mesh

Which statement is true regarding hierarchical network design?

Provides better performance and network scalability

Which server type is used in the Internet connectivity module?

Public

To what enterprise edge submodule does the SP edge Internet submodule connect?

SP edge Internet submodule connects to the enterprise edge Internet submodule

Which are borderless networks infrastructure services?

Security, WoS, high availability

Which module contains devices that supports AAA and stores passwords?

Server farm module

Which are submodules of the enterprise campus module?

Server farm/data center, building distribution

Which are two benefits of using a modular approach?

Simplifies the network design, often reduces the cost and complexity of the network

Which three modules provide infrastructure for remote users?

Teleworker module, enterprise branch module, enterprise data center

True or false: Thee access layer provides high availability and port security.

True

Ture or false: HSRP provides router redundancy.

True

Which submodule contains firewalls, VPN concentrators, and ASAs?

VPN/remote access

Which Cisco solution allows a pair of switches to act as a single logical switch?

VSS

Which three types of server are placed in the e-commerce submodule?

Web, application, database

Which layer performs rate limiting, network access control, and broadcast suppression?

access layer

Which are the three layers of the hierarchical model?

core layeer, access layer, distribution layer

Which layers perform redundancy?

core layer, distribution layer

Which layer performs port security and DHCP snooping?

core, distribution

Which topology allows for maximum growth?

core-distribution-access

Which server types are used in the e-commerce module for users running applications and storing data?

database, application,web